package com.biao.mall.product.service.impl;

import com.alibaba.fastjson.JSON;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.biao.common.constant.StatusConstant;
import com.biao.common.to.SkuEsModel;
import com.biao.common.to.SkuReductionTo;
import com.biao.common.to.SpuBoundTo;
import com.biao.common.utils.PageUtils;
import com.biao.common.utils.Query;
import com.biao.common.utils.R;
import com.biao.mall.product.dao.SpuInfoDao;
import com.biao.mall.product.entity.*;
import com.biao.mall.product.feign.CouponFeignService;
import com.biao.mall.product.feign.SearchFeignService;
import com.biao.mall.product.feign.WareFeignService;
import com.biao.mall.product.service.*;
import com.biao.mall.product.vo.*;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;
import java.util.*;
import java.util.stream.Collectors;


@Service("spuInfoService")
public class SpuInfoServiceImpl extends ServiceImpl<SpuInfoDao, SpuInfoEntity> implements SpuInfoService {
    @Autowired
    private SpuInfoDescService spuInfoDescService;

    @Autowired
    private SpuImagesService imagesService;

    @Autowired
    private AttrService attrService;

    @Autowired
    private ProductAttrValueService attrValueService;

    @Autowired
    private SkuInfoService skuInfoService;
    @Autowired
    private SkuImagesService skuImagesService;

    @Autowired
    private SkuSaleAttrValueService skuSaleAttrValueService;

    @Autowired
    private CouponFeignService couponFeignService;

    @Autowired
    private BrandService brandService;
    @Autowired
    private CategoryService categoryService;

    @Autowired
    private WareFeignService wareFeignService;

    @Autowired
    private SearchFeignService searchFeignService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                new QueryWrapper<SpuInfoEntity>()
        );

        return new PageUtils(page);
    }

    @Transactional
    @Override
    public void saveSpuInfo(SpuSaveVo vo) {
        //1、保存spu基本信息 pms_spu_info
        SpuInfoEntity infoEntity = new SpuInfoEntity();
        BeanUtils.copyProperties(vo, infoEntity);
        infoEntity.setCreateTime(new Date());
        infoEntity.setUpdateTime(new Date());
        this.saveBaseSpuInfo(infoEntity);

        //2、保存Spu的描述图片 pms_spu_info_desc
        List<String> decript = vo.getDecript();
        SpuInfoDescEntity descEntity = new SpuInfoDescEntity();
        descEntity.setSpuId(infoEntity.getId());
        descEntity.setDecript(String.join(",", decript));
        spuInfoDescService.saveSpuInfoDesc(descEntity);


        //3、保存spu的图片集 pms_spu_images
        List<String> images = vo.getImages();
        imagesService.saveImages(infoEntity.getId(), images);

        //4、保存spu的规格参数;pms_product_attr_value
        List<BaseAttrs> baseAttrs = vo.getBaseAttrs();
        List<ProductAttrValueEntity> collect = baseAttrs.stream().map(attr -> {
            ProductAttrValueEntity valueEntity = new ProductAttrValueEntity();
            valueEntity.setAttrId(attr.getAttrId());
            AttrEntity id = attrService.getById(attr.getAttrId());
            valueEntity.setAttrName(id.getAttrName());
            valueEntity.setAttrValue(attr.getAttrValues());
            valueEntity.setQuickShow(attr.getShowDesc());
            valueEntity.setSpuId(infoEntity.getId());

            return valueEntity;
        }).collect(Collectors.toList());
        attrValueService.saveProductAttr(collect);


        //5、保存spu的积分信息；gulimall_sms->sms_spu_bounds
        Bounds bounds = vo.getBounds();
        SpuBoundTo spuBoundTo = new SpuBoundTo();
        BeanUtils.copyProperties(bounds, spuBoundTo);
        spuBoundTo.setSpuId(infoEntity.getId());
        R r = couponFeignService.saveSpuBounds(spuBoundTo);
        if (r.getCode() != 0) {
            log.error("远程保存spu积分信息失败");
        }


        //5、保存当前spu对应的所有sku信息；

        List<Skus> skus = vo.getSkus();
        if (skus != null && skus.size() > 0) {
            skus.forEach(item -> {
                String defaultImg = "";
                for (Images image : item.getImages()) {
                    if (image.getDefaultImg() == 1) {
                        defaultImg = image.getImgUrl();
                    }
                }
                //    private String skuName;
                //    private BigDecimal price;
                //    private String skuTitle;
                //    private String skuSubtitle;
                SkuInfoEntity skuInfoEntity = new SkuInfoEntity();
                BeanUtils.copyProperties(item, skuInfoEntity);
                skuInfoEntity.setBrandId(infoEntity.getBrandId());
                skuInfoEntity.setCatalogId(infoEntity.getCatalogId());
                skuInfoEntity.setSaleCount(0L);
                skuInfoEntity.setSpuId(infoEntity.getId());
                skuInfoEntity.setSkuDefaultImg(defaultImg);
                //5.1）、sku的基本信息；pms_sku_info
                skuInfoService.saveSkuInfo(skuInfoEntity);

                Long skuId = skuInfoEntity.getSkuId();

                List<SkuImagesEntity> imagesEntities = item.getImages().stream().map(img -> {
                    SkuImagesEntity skuImagesEntity = new SkuImagesEntity();
                    skuImagesEntity.setSkuId(skuId);
                    skuImagesEntity.setImgUrl(img.getImgUrl());
                    skuImagesEntity.setDefaultImg(img.getDefaultImg());
                    return skuImagesEntity;
                }).filter(entity -> {
                    //返回true就是需要，false就是剔除
                    return !StringUtils.isEmpty(entity.getImgUrl());
                }).collect(Collectors.toList());
                //5.2）、sku的图片信息；pms_sku_image
                skuImagesService.saveBatch(imagesEntities);

                List<Attr> attr = item.getAttr();
                List<SkuSaleAttrValueEntity> skuSaleAttrValueEntities = attr.stream().map(a -> {
                    SkuSaleAttrValueEntity attrValueEntity = new SkuSaleAttrValueEntity();
                    BeanUtils.copyProperties(a, attrValueEntity);
                    attrValueEntity.setSkuId(skuId);

                    return attrValueEntity;
                }).collect(Collectors.toList());
                //5.3）、sku的销售属性信息：pms_sku_sale_attr_value
                skuSaleAttrValueService.saveBatch(skuSaleAttrValueEntities);

                // //5.4）、sku的优惠、满减等信息；gulimall_sms->sms_sku_ladder\sms_sku_full_reduction\sms_member_price
                SkuReductionTo skuReductionTo = new SkuReductionTo();
                BeanUtils.copyProperties(item, skuReductionTo);
                skuReductionTo.setSkuId(skuId);
                if (skuReductionTo.getFullCount() > 0 || skuReductionTo.getFullPrice().compareTo(new BigDecimal("0")) == 1) {
                    R r1 = couponFeignService.saveSkuReduction(skuReductionTo);
                    if (r1.getCode() != 0) {
                        log.error("远程保存sku优惠信息失败");
                    }
                }


            });
        }


    }

    @Override
    public void saveBaseSpuInfo(SpuInfoEntity infoEntity) {
        baseMapper.insert(infoEntity);
    }

    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {

        LambdaQueryWrapper<SpuInfoEntity> lambdaQueryWrapper = new LambdaQueryWrapper<>();
        String key = (String) params.get("key");
        lambdaQueryWrapper.and(StringUtils.isNotBlank(key), lambda -> {
            lambda.eq(SpuInfoEntity::getId, key).or().like(SpuInfoEntity::getSpuName, key);
        });
        String status = (String) params.get("status");
        lambdaQueryWrapper.eq(StringUtils.isNotBlank(status), SpuInfoEntity::getPublishStatus, status);

        String brandId = (String) params.get("brandId");
        lambdaQueryWrapper.eq(!StringUtils.isEmpty(brandId) && !"0".equalsIgnoreCase(brandId), SpuInfoEntity::getBrandId, brandId);

        String catelogId = (String) params.get("catelogId");
        lambdaQueryWrapper.eq(!StringUtils.isEmpty(catelogId) && !"0".equalsIgnoreCase(catelogId), SpuInfoEntity::getCatalogId, catelogId);
        /**
         * status: 2
         * key:
         * brandId: 9
         * catelogId: 225
         */

        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                lambdaQueryWrapper
        );

        return new PageUtils(page);
    }

    @Override
    public void up(Long spuId) {


        List<ProductAttrValueEntity> baseAttrs = attrValueService.baseAttrlistforspu(spuId);
        List<Long> attrIds = baseAttrs.stream().map(attr -> {
            return attr.getAttrId();
        }).collect(Collectors.toList());
        List<Long> searchAttrIds = attrService.selectSearchAttrs(attrIds);

        HashSet<Long> idSet = new HashSet<>(searchAttrIds);

        List<SkuEsModel.Attrs> attrs = baseAttrs.stream().filter(item -> {
            return idSet.contains(item.getAttrId());
        }).map(item -> {
            SkuEsModel.Attrs attrs1 = new SkuEsModel.Attrs();
            BeanUtils.copyProperties(item, attrs1);
            return attrs1;
        }).collect(Collectors.toList());


        List<SkuInfoEntity> skus = skuInfoService.getSkusBySpuId(spuId);
        List<Long> skuIdList = skus.stream().map(SkuInfoEntity::getSkuId).collect(Collectors.toList());
        Map<Long, Boolean> stockMap = new HashMap<>();
        try {
            R skusHasStock = wareFeignService.getSkusHasStock(skuIdList);
            //原本返回的是List<SkuHasStockVo>是对象，远程调用返回的变成json
//            List<SkuHasStockVo> skuHasStockVos = (List<SkuHasStockVo>) skusHasStock.get("data");
            ArrayList<LinkedHashMap<Long,Boolean>> skuHasStockVos = (ArrayList<LinkedHashMap<Long, Boolean>>) skusHasStock.get("data");
            for (LinkedHashMap<Long, Boolean> skuHasStockVo : skuHasStockVos) {

                String jsonString = JSON.toJSONString(skuHasStockVo);
                SkuHasStockVo vo = JSON.parseObject(jsonString, SkuHasStockVo.class);
                stockMap.put(vo.getSkuId(),vo.getHasStock());
            }

//            stockMap = skuHasStockVos.stream().
//                    collect(Collectors.toMap(SkuHasStockVo::getSkuId, item->item.getHasStock()));
//            for (SkuHasStockVo skuHasStockVo : skuHasStockVos) {
//                stockMap.put(skuHasStockVo.getSkuId(),skuHasStockVo.getHasStock());
//            }
        } catch (Exception e) {
            log.error("库存调用失败:{}", e);
        }

        Map<Long, Boolean> finalStockMap = stockMap;
        List<SkuEsModel> upProducts = skus.stream().map(sku -> {
            SkuEsModel esModel = new SkuEsModel();
            BeanUtils.copyProperties(sku, esModel);
            esModel.setSkuPrice(sku.getPrice());
            esModel.setSkuImg(sku.getSkuDefaultImg());

            //是否有库存
            if (finalStockMap == null) {
                esModel.setHasStock(true);
            } else
                esModel.setHasStock(finalStockMap.get(sku.getSkuId()));
            //热度评分
            esModel.setHotScore(0L);
            BrandEntity brand = brandService.getById(esModel.getBrandId());
            esModel.setBrandName(brand.getName());
            esModel.setBrandImg(brand.getLogo());
            CategoryEntity category = categoryService.getById(esModel.getCatalogId());
            esModel.setCatalogName(category.getName());

            esModel.setAttrs(attrs);
            return esModel;
        }).collect(Collectors.toList());

        R r = searchFeignService.productStatusUp(upProducts);
        if (r.getCode() == 0) {
            baseMapper.updateSpuStatus(spuId, StatusConstant.SPU_UP.getCode());

        } else {
            //失败
            log.error("SpuInfoServiceImpl中 失败");
            //TODO
        }
    }

    @Override
    public SpuInfoEntity getSpuInfoBySkuId(Long skuId) {

        SkuInfoEntity byId = skuInfoService.getById(skuId);
        Long spuId = byId.getSpuId();
        SpuInfoEntity spuInfoEntity = getById(spuId);
        return spuInfoEntity;

    }

}